YaraVita
®
MAGPHOS
®
A formulated product for the treatment of magnesium
and phosphorus deficiencies by foliar application
Guaranteed Analysis
Available Phosphate (P2O5)
29%
Soluble Potash (K20)
5%
Magnesium (Mg)
4.1%
Water soluble Magnesium (Mg)
4.1%
Derived from Phosphoric Acid, Magnesium Phosphate, Potassium Chloride, Potassium
Phosphate
The information provided is accurate to the best of Yara´s knowledge and belief. Any recommendations are
meant as a guide and must be adapted to suit local conditions.
Yara North America, Inc. • 1-800-234-9376 • www.yara.us
Yara Canada, Inc. • 1-800-667-7255 • www.yaracanada.ca
Benefits
• Formulated for safe application at
critical growth stages to satisfy crop
requirements
• Widely tank mixable with other crop
sprays. Visit www.tankmix.com/yara
for details.
• Proven, reliable performance. Trialed
and tested on a wide range of crops
around the world
• High quality, consistent product.
Manufactured to ISO 9001 quality
assurance standards
• Easy to use liquid formulation. Pours
and disperses easily and quickly into
the spray tank
• High nutrient content means lower
application rates reducing handling
time and waste packaging
Product Recommendations
Typical Crop Recommendations*
• Alfalfa: 2 quarts/acre when sufficient leaf
cover to intercept spray. Then 2 quarts/acre
one week after every cut. Water rate: 20
gallons/acre.
• Apples, Pears: 4 to 6 applications of 2
quarts/acre from end of flowering. Repeat
applications at 10 to 14 day intervals. Water
rate: 50 to 100 gallons/acre.
• Apricots: 2 to 5 applications of 1½ to 2 quarts/
acre from petal fall. Repeat applications at 10
to 14 day intervals. Water rate: 100 gallons/
acre.
• Blueberries: 2 quarts/acre 10 days after petal
fall has finished. Water rate: 100 gallons/acre
Brassicas,
• Broccoli, Brussel Sprouts, Cabbage,
Calabrese, Cauliflower: 2 quarts/acre applied
soon after transplanting. Water rate: 20
gallons/acre.
• Carrots: 2 quarts/acre when crop is 6 inches
tall. For moderate to severe deficiency repeat
applications at 10 to 14 day intervals. Water
rate: 20 gallons/acre
• Cereals: 2 quarts/acre at tillering. Repeat at
10 to 14 day intervals if necessary. Also apply
from ear emergence until the end of flowering
(Zadok’s G.S. 51 to 69). Water rate: 20
gallons/acre.
• Cherries: 2 to 5 applications of 1½ to 2 quarts/
acre from petal fall. Repeat applications at 10
to 14 day intervals. Water rate: 100 gallons/
acre.
• Corn: 2 quarts/acre at 4 to 8 leaf stage.
Repeat at 10 to 14 day intervals if necessary.
Water rate: 3 to 20 gallons/acre.
• Cotton: 2 quarts/acre at the start of flowering.
Water rate: 5 to 20 gallons/acre.
• Cucurbits (Field Grown): 2 quarts/acre at 4
leaf stage. Repeat if necessary 10 to 14 days
later. Water rate: 50 gallons/acre.
• Ginseng: 2 quarts/acre applied once the new
season growth is well underway. Repeat
applications at 10 to 14 day intervals may be
necessary for moderate to severe deficiency.
Water rate: 50 gallons/acre
• Vines: 1½ to 2 quarts/acre at flower buds
separated, fruit set, grape expansion and early
veraison/one month before harvest. Water
rate: 20 gallons/acre.
• Turf: 1.5 fl.oz./1000 sq.ft. as soon as growth
commences in spring. Repeat sprays at 10 to
14 day intervals as necessary. Water rate: 0.5
gallons/1000 sq.ft.
• Groundnuts: 2 quarts/acre at the 4 to 6 leaf
stage. Repeat as necessary at 10 to 14 day
intervals. Water rate: 20 gallons/acre.
• Lettuce (Field Grown): 2 quarts/acre. Apply
10 to 14 days after transplanting or emergence.
One or two repeat applications may be made
at 10 to 14 day intervals. Water rate: 50
gallons/acre
• Melons (Field Grown): 1½ to 2 quarts/acre
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at start of flowering. Repeat at 10 to 14 day
intervals if necessary. Water rate: 50 gallons/
acre
Nectarines: 2 to 5 applications of 1½ to
2 quarts/ acre from petal fall. Repeat
applications at 7 to 10 day intervals. Water
rate: 100 gallons/acre.
Nursery/Ornamentals: 2 gallons in 100
gallons water (1.875% v/v) as soon as there
is sufficient leaf area to intercept a spray.
Repeat at 10 to 14 day intervals as necessary.
Avoid applications during flowering. Spray a
maximum of three applications per crop per
annum. Maximum water rate: 20 gallons/acre
Canola: For a single application, 1½ to 2
quarts/ acre at onset of stem extension. For
moderate deficiency, 1½ to 2 quarts/acre at 4
to 6 leaf stage and at onset of stem extension.
An extra application can be made 10 to 14 days
later for severe deficiency. Avoid flowering.
Water rate: 20 gallons/acre.
Onions: 2 quarts/acre. Apply when the foliage
is 6” tall, with a second application 10 to
14 days later if necessary. Water rate: 20
gallons/acre
Peaches: 2 to 5 applications of 1½ to 2 quarts/
acre from petal fall. Repeat applications at 10
to 14 day intervals. Water rate: 100 gallons/
acre.
Peas: 1 to 2 applications of 2 quarts/acre when
the crop is 4 to 6” tall. Allow 10 to 14 days
between applications. Water rate: 20 gallons/
acre.
Peppers (Field Grown): 1 pint in 45 gallons
before transplanting. Water rate: 100 gallons/
acre maximum
Plums: 2 to 5 applications of 1½ to 2 quarts/
acre from petal fall. Repeat applications at 10
to 14 day intervals. Water rate: 100 gallons/
acre.
Potatoes: To increase tuber size: A minimum
of 2 applications of 2 quarts/acre during tuber
bulking (as soon as first formed tuber are ½” in
diameter) and following petiole analysis during
tuber bulking. Allow 10 to 14 days between
applications. Water rate: 20 gallons/acre.
Rice: 2 quarts/acre applied at tillering and
again at panicle initiation. Repeat 7 to 10 days
later if necessary. Water rate: 3 to 40 gallons/
acre.
Sorghum: 2 quarts/acre at 4 to 8 leaf stage.
Repeat at 10 to 14 day intervals if necessary.
Water rate: 3 to 20 gallons/acre.
Soybeans: 1 to 2 quarts/acre when crop is 6
inches tall. Repeat if necessary at 10 to 14 day
intervals. Water rate: 3 to 20 gallons/acre.
Spinach: 2 quarts/acre at the 4 to 6 leaf
stage. Water rate: 20 gallons/acre Squash
(Field Grown): 2 quarts/acre at 4 leaf stage.
Repeat if necessary 10 to 14 days later. Water
rate: 50 gallons/acre.
Strawberries (Field Grown): Non everbearing
varieties: 3 applications of 2 quarts/acre from
Yara North America, Inc. • 1-800-234-9376 • www.yara.us
Yara Canada, Inc. • 1-800-667-7255 • www.yaracanada.ca
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start of flowering. Repeat applications 7 to
10 day intervals. Everbearing varieties: 6
applications of 2 quarts/acre. Do not apply
successive applications at intervals of less than
10 to 14 days. Water rate: 50 gallons/acre.
Sugar Beets: 1 to 2 quarts/acre at the 4 to 6
leaf stage. For moderate to severe deficiency,
repeat at 10 to 14 day intervals. Water rate:
20 gallons/acre.
Sweet Potato: 2 quarts/acre one week after
100% emergence or transplanting. Repeat
applications during tuber bulking at 10 to 14
day intervals. Also, apply at the same rate
following recommendation from analysis.
Water rate: 20 gallons/acre.
Tomatoes (Field Grown): 2 quarts/acre.
Apply at the 4 to 6 leaf stage with repeat
applications at 10 to 14 day intervals if
necessary. Water rate: 50 gallons/acre.
Water Melons (Field Grown): 2 quarts/acre at
the 4 to 6 leaf stage. Repeat at 10 to 14 day
intervals. Water rate: 20 to 50 gallons/acre.
Zucchini (Field Grown): 2 quarts/acre at the
4 to 6 leaf stage. Repeat at 10 to 14 day
intervals. Water rate: 20 to 50 gallons/acre.
*The information provided is accurate to the best
of Yara’s knowledge and belief. Any recommendations are meant as a guide and must be adapted to
suit local conditions. Always read the label before
use.